--- /dev/null
+/*
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Runtime.InteropServices;
+using Tizen.Multimedia.Vision;
+
+/// <summary>
+/// Interop APIs.
+/// </summary>
+internal static partial class Interop
+{
+ /// <summary>
+ /// Interop for Media Vision APIs.
+ /// </summary>
+ internal static partial class MediaVision
+ {
+ /// <summary>
+ /// Interop for ROI tracker APIs.
+ /// </summary>
+ internal static partial class RoiTracker
+ {
+ [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+ internal delegate void RoiTrackedCallback(IntPtr source, Rectangle roi, IntPtr userData = default);
+
+ [DllImport(Libraries.MediaVisionRoiTracker, EntryPoint = "mv_roi_tracker_create")]
+ internal static extern MediaVisionError Create(out IntPtr handle);
+
+ [DllImport(Libraries.MediaVisionRoiTracker, EntryPoint = "mv_roi_tracker_destroy")]
+ internal static extern MediaVisionError Destroy(IntPtr handle);
+
+ [DllImport(Libraries.MediaVisionRoiTracker, EntryPoint = "mv_roi_tracker_configure")]
+ internal static extern MediaVisionError Configure(IntPtr handle, IntPtr engineConfig);
+
+ [DllImport(Libraries.MediaVisionRoiTracker, EntryPoint = "mv_roi_tracker_prepare")]
+ internal static extern MediaVisionError Prepare(IntPtr handle, int x, int y, int width, int height);
+
+ [DllImport(Libraries.MediaVisionRoiTracker, EntryPoint = "mv_roi_tracker_perform")]
+ internal static extern MediaVisionError TrackRoi(IntPtr handle, IntPtr source, RoiTrackedCallback callback,
+ IntPtr userData = default);
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Threading.Tasks;
+using InteropRoi = Interop.MediaVision.RoiTracker;
+
+namespace Tizen.Multimedia.Vision
+{
+ /// <summary>
+ /// Provides the ability to track ROI(Region Of Interest) area on image source.
+ /// </summary>
+ /// <since_tizen> 10 </since_tizen>
+ public static class RoiTracker
+ {
+ /// <summary>Tracks ROI(Region Of Interest) on the source image.</summary>
+ /// <remarks><see cref="RoiTrackingConfiguration.Roi"/> should be set first correctly.</remarks>
+ /// <feature>http://tizen.org/feature/vision.roi_tracking</feature>
+ /// <param name="source">The source of the media user wants to track.</param>
+ /// <param name="config">The engine's configuration that will be used for tracking.</param>
+ /// <returns>A task that represents the asynchronous tracking operation.</returns>
+ /// <exception cref="ArgumentNullException"><paramref name="source"/> or <paramref name="config"/> is null.</exception>
+ /// <exception cref="ArgumentException"><paramref name="config.Roi"/> is not set correctly.</exception>
+ /// <exception cref="InvalidOperationException">Internal error.</exception>
+ /// <seealso cref="RoiTrackingConfiguration"/>
+ /// <since_tizen> 10 </since_tizen>
+ public static async Task<Rectangle> TrackAsync(MediaVisionSource source, RoiTrackingConfiguration config)
+ {
+ if (source == null)
+ {
+ throw new ArgumentNullException(nameof(source));
+ }
+ if (config == null)
+ {
+ throw new ArgumentNullException(nameof(config));
+ }
+ if (config._roi == null)
+ {
+ throw new ArgumentException(nameof(config.Roi));
+ }
+
+ if (!config.IsApplied)
+ {
+ // Configure() and Prepare() can be called every time but it's useless, because Native Vision FW can accept it once.
+ InteropRoi.Configure(config.GetRoiConfigHandle(), config.Handle).
+ Validate("Failed to configure roi tracking");
+
+ var initialRoi = config.Roi;
+ InteropRoi.Prepare(config.GetRoiConfigHandle(), initialRoi.X, initialRoi.Y, initialRoi.Width, initialRoi.Height).
+ Validate("Failed to prepare roi tracking");
+
+ config.IsApplied = true;
+ }
+
+ var tcs = new TaskCompletionSource<Rectangle>();
+
+ InteropRoi.RoiTrackedCallback callback = (handle, roi_, _) => tcs.TrySetResult(roi_.ToApiStruct());
+
+ using (var cb = ObjectKeeper.Get(callback))
+ {
+ InteropRoi.TrackRoi(config.GetRoiConfigHandle(), source.Handle, cb.Target).
+ Validate("Failed to track roi");
+
+ return await tcs.Task;
+ }
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using InteropRoi = Interop.MediaVision.RoiTracker;
+
+namespace Tizen.Multimedia.Vision
+{
+ /// <summary>
+ /// Represents a configuration of <see cref="RoiTracker"/> instances.
+ /// </summary>
+ /// <feature>http://tizen.org/feature/vision.roi_tracking</feature>
+ /// <exception cref="NotSupportedException">The required features are not supported.</exception>
+ /// <since_tizen> 10 </since_tizen>
+ public class RoiTrackingConfiguration : EngineConfiguration
+ {
+ private IntPtr _handle;
+ private const string KeyTrackerType = "MV_ROI_TRACKER_TYPE";
+
+ internal bool IsApplied { get; set; }
+
+ /// <summary>
+ /// Initializes a new instance of the <see cref="RoiTrackingConfiguration"/> class.
+ /// </summary>
+ /// <exception cref="NotSupportedException">The feature is not supported.</exception>
+ /// <since_tizen> 10 </since_tizen>
+ public RoiTrackingConfiguration() : base("roi_tracking")
+ {
+ InteropRoi.Create(out _handle).Validate("Failed to create roi tracking configuration");
+ }
+
+ internal IntPtr GetRoiConfigHandle()
+ {
+ return _handle;
+ }
+
+ /// <summary>
+ /// Gets or sets the type of ROI tracker.<br/>
+ /// Default value is <see cref="RoiTrackerType.Balance"/>.
+ /// </summary>
+ /// <exception cref="ArgumentException"><paramref name="value"/> is not valid.</exception>
+ /// <since_tizen> 10 </since_tizen>
+ public RoiTrackerType TrackerType
+ {
+ get
+ {
+ return (RoiTrackerType)GetInt(KeyTrackerType);
+ }
+ set
+ {
+ ValidationUtil.ValidateEnum(typeof(RoiTrackerType), value, nameof(value));
+
+ Set(KeyTrackerType, (int)value);
+ }
+ }
+
+ internal Rectangle? _roi;
+
+ /// <summary>
+ /// Gets or sets the ROI(Region Of Interest) of <see cref="RoiTracker"/>.
+ /// </summary>
+ /// <remarks>
+ /// The default value is Rectangle(0, 0, 0, 0) but it's meaningless.<br/>
+ /// The user should set this to correct value for <see cref="RoiTracker.TrackAsync"/>.
+ /// </remarks>
+ /// <exception cref="ArgumentOutOfRangeException">
+ /// The width of <paramref name="value"/> is less than or equal to zero.<br/>
+ /// -or-<br/>
+ /// The height of <paramref name="value"/> is less than or equal to zero.<br/>
+ /// -or-<br/>
+ /// The x position of <paramref name="value"/> is less than zero.<br/>
+ /// -or-<br/>
+ /// The y position of <paramref name="value"/> is less than zero.
+ /// </exception>
+ /// <since_tizen> 10 </since_tizen>
+ public Rectangle Roi
+ {
+ get
+ {
+ return _roi.HasValue ? _roi.Value : new Rectangle(0, 0, 0, 0);
+ }
+ set
+ {
+ ValidateRoi(value);
+ _roi = value;
+ }
+ }
+
+ internal static void ValidateRoi(Rectangle roi)
+ {
+ if (roi.Width <= 0)
+ {
+ throw new ArgumentOutOfRangeException("roi.Width", roi.Width,
+ "The width of roi can't be less than or equal to zero.");
+ }
+
+ if (roi.Height <= 0)
+ {
+ throw new ArgumentOutOfRangeException("roi.Height", roi.Height,
+ "The height of roi can't be less than or equal to zero.");
+ }
+
+ if (roi.X < 0)
+ {
+ throw new ArgumentOutOfRangeException("roi.X", roi.X,
+ "The x position of roi can't be less than zero.");
+ }
+
+ if (roi.Y < 0)
+ {
+ throw new ArgumentOutOfRangeException("roi.Y", roi.Y,
+ "The y position of roi can't be less than zero.");
+ }
+ }
+
+ /// <summary>
+ /// Releases the resources used by the <see cref="RoiTrackingConfiguration"/> object.
+ /// </summary>
+ /// <param name="disposing">
+ /// true to release both managed and unmanaged resources, otherwise false to release only unmanaged resources.
+ /// </param>
+ /// <since_tizen> 10 </since_tizen>
+ protected override void Dispose(bool disposing)
+ {
+ base.Dispose(disposing);
+
+ if (_handle != IntPtr.Zero)
+ {
+ InteropRoi.Destroy(_handle).Validate("Failed to destroy roi tracking configuration");
+ _handle = IntPtr.Zero;
+ }
+ }
+ }
+
+ /// <summary>
+ /// Specifies the type of ROI tracker.
+ /// </summary>
+ /// <since_tizen> 10 </since_tizen>
+ public enum RoiTrackerType
+ {
+ /// <summary>
+ /// ROI tracker focuses on accuracy
+ /// </summary>
+ Accuracy = 1,
+
+ /// <summary>
+ /// ROI tracker focuses on both accuracy and speed
+ /// </summary>
+ Balance,
+
+ /// <summary>
+ /// ROI tracker focuses on speed
+ /// </summary>
+ Speed
+ }
+}
{
internal static class VisionFeatures
{
+ internal const string RoiTracking = "http://tizen.org/feature/vision.roi_tracking";
internal const string InferenceFace = "http://tizen.org/feature/vision.inference.face";
internal const string InferenceImage = "http://tizen.org/feature/vision.inference.image";
internal const string FaceRecognition = "http://tizen.org/feature/vision.face_recognition";
projects / platform / core / csapi / tizenfx.git / commitdiff